Humidifier



FIG. 1 is a front elevational view of a humidifier showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a front elevational view of a modified form of the humidifierapparatus shown in FIG. 1.

The ornamental design for a humidifier, as shown.